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Southern
Date TimeNO2O3SO2COPM10PM2.5
2024-05-29 00:008.4112.01.5374.027.26.9
2024-05-28 23:0010.2111.91.6388.322.38.1
2024-05-28 22:009.0103.02.0398.315.46.9
2024-05-28 21:0013.990.62.0384.913.29.2
2024-05-28 20:0021.286.92.7382.516.212.6
2024-05-28 19:0030.1101.51.8415.917.914.3
2024-05-28 18:0030.4113.81.4369.417.413.9
2024-05-28 17:0036.8106.22.3396.920.115.0
2024-05-28 16:0021.9114.21.6389.127.316.9
2024-05-28 15:0028.183.30.9411.231.812.8
2024-05-28 14:0029.6102.01.9419.333.314.2
2024-05-28 13:0037.084.76.3449.126.715.4
2024-05-28 12:0064.128.18.3503.922.813.6
2024-05-28 11:0058.919.47.6504.124.913.6
2024-05-28 10:0050.821.16.5487.930.519.5
2024-05-28 09:0053.512.87.4541.829.818.0
2024-05-28 08:0058.17.110.1632.921.69.3
2024-05-28 07:0056.66.28.3433.315.84.4
2024-05-28 06:0037.814.53.9392.516.94.1
2024-05-28 05:0032.417.13.7407.418.96.1
2024-05-28 04:0016.830.13.4365.917.94.8
2024-05-28 03:0020.832.83.2359.215.54.7
2024-05-28 02:0024.335.73.4347.115.58.5
2024-05-28 01:0036.025.84.4363.118.27.5
Remarks:

(1) Time shown is in Hong Kong time.

(2) Concentration shown is in microgram per cubic metre (µg/m3).

(3) Abbreviation:
NO2 - nitrogen dioxide, O3 - ozone,
SO2 - sulphur dioxide, CO - carbon monoxide,
PM10 - respirable suspended particulates,
PM2.5 - fine suspended particulates

(4) The pollutant concentration is based on real time data taken directly from EPD's Air Quality Monitoring Network.

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Last revision date: 00:07 29-05-2024